Jessie's all smiles as she performs 6 PHENOMENAL tracks for the #CapitalJBB crowd This image appears in the gallery:Jingle Bell Ball 2014: AMAZING Sunday Pictures Feat. Taylor Swift, Ed Sheeran And 5SOS! 64. Jessie's all smiles as she performs 6 PHENOMENAL tracks for the #CapitalJBB crowd Picture: Richard Johnson 89 images See the full gallery: Jingle Bell Ball 2014: AMAZING Sunday Pictures Feat. Taylor Swift, Ed Sheeran And 5SOS!